› added 7 years ago

91

TIL the Supreme Court ruling of "Oliphant v Suquamish" states that non-Native Americans who commit crimes on tribal land cannot be arrested by NatAme law enforcement. Who gets to make the arrest depends on the ethnicity of the criminal or the victim. This resulted in many crimes going unpunished.

e0YjD TIL: There are locations on planet Mercury where during a day the sun will appear to pause, reverse direction, then continue forward again as it moves across the sky. This happens as the planet’s angular orbital velocity and angular rotational velocity flip as it crosses perihelion
DLaD TIL there was a so called “helpful worm” that would gain access to Windows XP systems, download security patches from Microsoft to close the vulnerability that it used to infect the system, attempt to delete the infamous Blaster worm (if present) from the system, then delete itself.
neYXB TIL that the common method for a spacecraft to shift between two orbits is called a Hohmann Transfer, and that the guy who calculated it (in 1925) was inspired by a science fiction book written in 1897, which gave a generally correct explanation of the concept of orbit trajectory
xVemB TIL Mackinac Island, MI is culturally preserved in time and has banned motorized vehicles for over 100 years; most travel by horse-drawn carriages and bikes.
P1kw TIL: during the Irish Potato Famine, Ottoman Sultan Abdülmecid I sent three ships of food and £1,000 to the Irish - he would have sent £10,000 but Queen Victoria advised against it as she had only given £2,000